To connect Guests to network it's necessary install Serenity Virtual
Net Driver on Host.
This is a usual eComStation driver for Ethernet network card.
So, it should be configured using standard system tools (MPTS, tcpcfg2.cmd).
The driver establishes a subnet with your Host and all its Guests:

Further configuration of network requires knowledge (IBM Red books)
or advices from specialist in network science.
Here is a simple example (all computers are equipped with eComStation; all Guests are equipped with eComStation too).